package com.tdk.bts.util;

import java.util.Random;

public class ValidCodeUtil {
	
		public static String Shengcheng()
		{	
			String s ="abcdefghijklmnopq"
					+ "rstuvwxyzQWERTYUIOPASD"
					+ "FGHJKLZXCVBNM123456789";				
				Random r=new Random();
				StringBuffer sb=new StringBuffer();
				int a=0;
				char c;
				for(int i=0;i<6;i++)
				{
					a=r.nextInt(61);
					c=s.charAt(a);
					sb.append(c);
				}
				return sb.toString();					
	}
	}

	

